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Derby County 0-1 Ipswich Town

"So it was difficult to change the front four, but what I would say is in the opening 10 minutes the front four looked to be lacking in energy. That was understandable because they had put so much into the previous games."

Rowett revealed what he said to the players in the dressing room after the Ipswich game.

"I said 'look, may be I have made a mistake tonight by not changing it' but I think we did it for the right reasons," Rowett said.

Derby County manager Gary Rowett v Ipswich Town (Image: Andy Clarke)

"The problem is, you only really know it five, 10 or 15 minutes into the game.

"I was toying with making a couple of changes after 25 minutes, but it is not something I am overly keen to do, so we made the change at half time."